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partially solid nodules. The lesions were well detected in 100% cases. They were resected by wedge resection in all the cases. The final pathologic diagnosis confirmed 12 lung adenocarcinoma (6 lepidic growth adenocarcinoma, 3 adenocarcinoma in situ, 2 solid adenocarcinomas, 1 minimally invasive adenocarcinoma), 12 lung metastasis, 2 atypical adenomatous hyperplasia, 2 inflammatory nodules, 1 squamous carcinoma and 1 hamartoma. Clean margins were obtained in 28 patients (93,3%). There were not intraoperative and postoperative complications secondary to the procedure. Conclusion: The radioguided localization is a simple, easy and safe procedure for the diagnosis and treatment of small lung nodules. There were not problems of radiotracer lung diffusion and misplacement.